Electronics - Magnetism and Electromagnetism - Discussion

18. 

The polarity of induced voltage while a field is collapsing is

[A]. independent of the force creating the field
[B]. opposite to the force creating the field
[C]. identical to the force creating the field
[D]. present only if the force is stationary

Answer: Option B

Explanation:

No answer description available for this question.

Guarav said: (Jun 5, 2015)  
As induced voltage is EMF which is produced due to collapsing filed is is have opposite polarity to its source produce.

Anom said: (Feb 18, 2019)  
Thanks @Guarav.

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